Finland.

Yellow ring with black 2 alpha code (on one leg) and metal ring (on other leg).

note 1 : over 200 birds are ringed in Finland since 2006.

note 3 :

Yellow ring with a black four alpha-numeric code, starting letter "C" followed by a three alpha-numeric code.

note 1 :  up to 2014 total 1 ring delivered, since 1996.

note 2 :

White ring with a black three alpha-numeric code.

note 1 : starting letter 'C'.

note 2 : up to 2014 a total 100 rings delivered, since 1997.

note 3 :

Yellow ring with a black four alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : up to 2014, a total of 1140 rings delivered 2004-2010.

note 2 : starting letter 'C'.

note 3 :

White ring with a black four alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : up to 2014, a total of 1479 rings delivered 1998-2013.

note 2 : starting letter 'C'.

note 3 :

White ring with a black three alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : up to 2014, a total of 337 rings delivered 1999-2001.

note 2 :

White ring with a black three alpha code (on one leg) and metal ring (on other leg).

note 1 : up to 2014, a total of 188 rings delivered 1999-2001.

note 2 : starting letter 'C' or 'D'.

note 3 :

Red ring with a white 4 alpha-numeric code, starting letter "C".

note 1 : up to 2014 total 3 rings delivered 2004-2006

note 2 : give position and condition of ring.

note 3 :  

Combination of :
* yellow ring (on left tibia)
* orange ring wioth a black two numeric code (on left tarsus)

note 1 : used numbers are : 00-99.

note 2 :

White ring with a black four alpha-numeric code (on one leg) and metal ring (on other leg).

note 1 : up to 2014, a total of 680 rings delivered 2004-2013.

note 2 :